Ni-based amorphous alloy foil brazing filler metal

The present disclosure provides a Ni-based amorphous alloy foil solder having ductility and excellent corrosion resistance. The Ni-based amorphous alloy foil brazing filler metal contains, in mass%, 19.0% to 30.0% (inclusive) of Cr, 4.0% to 9.0% (inclusive) of P, 0.2% to 4.0% (inclusive) of Si, and 0.3% to 1.0% (inclusive) of B, with the remainder comprising Ni and impurities, and has a B/Cr atomic ratio of 0.17 or less. 本公开提供一种Ni基非晶合金箔钎料，其具有延展性且耐腐蚀性优异。一种Ni基非晶合金箔钎料，以质量％计，其含有Cr：19.0％以上且30.0％以下、P：4.0％以上且9.0％以下、Si：0.2％以上且4.0％以下和B：0.3％以上且1.0％以下，余量由Ni和杂质构成，以原子比计B/Cr为0.17以下。